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China Hollow Rock Drilling Steels

Performance:High fatigue strength and toughness
Resistance:High resistance to wear and permanent distortion
Tolerance:Close tolerances (for automated manufacturing process)
Heat Treatment:A uniform response to heat treatment

Product Name:: Hollow Round Drill Steels
Other Names:: Rock Drilling Rods Steels

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Product Description

ABOUT HOLLOW DRILL STEELS

Drill steel for the manufacturing of top-hammer rock drill rods, available in four different steel grades. Our hollow drill steel is characterized by a number of properties that enable efficient production.

The Hollow Drill Steels we are supplying for the application of drilling rods below:

Integral drill steels, pilot rods and tapered rods

Extension rods, shank rods and tapered rods

Tapered rods, pilot rods and integral drill steels

Extension rods, shank rods and tapered rods

China Drill Steel Standards